import {mapGetters} from 'vuex'
export default{
		computed:{
			...mapGetters('m_cart',['total'])  
		},
		watch:{
			total(){
				this.setBadge()
			}
		},
		onShow() {
			this.setBadge()
		},
		methods:{
			setBadge(){
				uni.setTabBarBadge({
					index:2,
					text:this.total+''
				})
			}
		},
	
} 